Gas (牝 1892 鹿毛 Ayrshire)
 |-- Gascony (牡 1899 栗毛 Kendal)
 |-- Valve (牝 1900 黒鹿毛 Velasquez)
 |   |-- Verve (牝 1909 鹿毛 Velocity)
 |   |   |-- Versatile (牝 1918 黒鹿毛 Chaucer)
 |   |   |-- Rhona (牝 1920 黒鹿毛 Hurry On)
 |   |   |-- Cradle Song (牝 1922 黒鹿毛 Hurry On)
 |   |   `-- Vervelle (牝 1923 黒鹿毛 Buchan)
 |   |-- Duke Humphrey (牡 1911 鹿毛 John o'Gaunt)
 |   |-- Vaucluse (牝 1912 鹿毛 Dark Ronald)
 |   |   |-- Forerunner (牡 1918 鹿毛 Chaucer)
 |   |   |-- High Force (牡 1919 鹿毛 Tracery)
 |   |   |-- Lake Leman (牝 1920 鹿毛 Tracery)
 |   |   `-- Bongrace (牝 1923 鹿毛 Spion Kop)
 |   |-- Shrill (牝 1913 鹿毛 Llangwm)
 |   |   `-- Father's Voice (牡 1921 鹿毛 Absurd)
 |   `-- Valescure (牝 1917 鹿毛 Swynford)
 |       |-- The Buzzard (牡 1926 鹿毛 Spion Kop)
 |       |-- Flamenco (牡 1931 鹿毛 Flamingo)
 |       `-- Agincourt (牡 1935 黒鹿毛 Bosworth)
 |-- Cicero (牡 1902 栗毛 Cyllene)
 |-- Bezonian (牡 1904 鹿毛 Velasquez)
 `-- Rhetoric (牝 1906 栗毛 Cyllene)
     |-- Politian (牡 1911 黒鹿毛 Dark Ronald)
     |-- Discourse (牝 1915 栗毛 Beppo)
     |   `-- Dail (牝 1919 鹿毛 Land League)
     `-- Peroration (牝 1921 栗毛 Clarissimus)
         |-- Perjury (牝 1927 栗毛 Chatterton)
         |-- Gallant Lady (牝 1930 栗毛 Sir Gallahad)
         |-- Mad Passion (牝 1931 栗毛 Mad Hatter)
         `-- Elocution (牝 1938 黒鹿毛 Jacopo)